JeepDxb Posted August 10, 2011 Share Posted August 10, 2011 Why is my Jeep 2000 having unusual high RPM when driving at the speed 40 the RPM goes up to 3500. please someone tell me what is wrong with my car. Link to comment Share on other sites More sharing options...
JeepDxb Posted August 14, 2011 Author Share Posted August 14, 2011 The abnormally high idle speeds can be the vacuum leaks or an inoperative idle speed control motor. A vacuum leak on a fuel injected engine will cause high idle. Link to comment Share on other sites More sharing options...
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